Designed specifically for the rugged conditions found in steel mills, cement foundries and other process-related environments. Listed to UL standard 98 enclosed and dead front switches. Suitable for use as service equipment when installed in accordance with the National Electrical Code. Certified to CSA standard 22.2 no. 4-04 enclosed and dead front switches. Meets or exceeds NEMA KS1 standard for enclosed switches, type HD. Fusible and non-fusible switches available (consult BuyLog for interrupt ratings). Quick-make, quick-break mechani sm. 60 /7 5 C conduc tor rati ng, field convertible to compression connectors. Full cover interlocks.